CN111022100A - Mine ventilation device and working method thereof - Google Patents
Mine ventilation device and working method thereof Download PDFInfo
- Publication number
- CN111022100A CN111022100A CN201911390096.6A CN201911390096A CN111022100A CN 111022100 A CN111022100 A CN 111022100A CN 201911390096 A CN201911390096 A CN 201911390096A CN 111022100 A CN111022100 A CN 111022100A
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- mine
- frame
- ventilation
- ventilation device
- wall
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- 238000009423 ventilation Methods 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 7
- 238000009434 installation Methods 0.000 claims abstract description 5
- 238000005086 pumping Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 5
- 230000036346 tooth eruption Effects 0.000 claims description 5
- 230000001154 acute effect Effects 0.000 claims description 4
- 239000003651 drinking water Substances 0.000 claims description 4
- 235000020188 drinking water Nutrition 0.000 claims description 2
- 239000002817 coal dust Substances 0.000 claims 3
- 239000003245 coal Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 32
- 239000004576 sand Substances 0.000 description 7
- 239000004575 stone Substances 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 235000012206 bottled water Nutrition 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 nitrogen oxide compound Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/08—Ventilation arrangements in connection with air ducts, e.g. arrangements for mounting ventilators
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/04—Air ducts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F11/00—Rescue devices or other safety devices, e.g. safety chambers or escape ways
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/388—Blades characterised by construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
- F04D29/646—Mounting or removal of fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Business, Economics & Management (AREA)
- Health & Medical Sciences (AREA)
- Emergency Management (AREA)
- Pulmonology (AREA)
- Ventilation (AREA)
Abstract
The invention relates to the technical field of coal mine ventilation, in particular to a mine ventilation device and a working method thereof; wherein the mine ventilation device comprises: the ventilation mechanism is used for pumping gas in the mine tunnel into the exhaust duct; the frame mechanism is arranged at the bottom of the inner wall of the mine tunnel, and gas at the bottom of the mine tunnel is extracted through the ventilation mechanism; the frame mechanism comprises a wall body installation component and a frame component; wherein the upper portion of the frame assembly mounts a wall mount assembly to mount the frame mechanism on a wall; the frame assembly is provided with a ventilation mechanism; mounting a ventilation mechanism on the wall through the frame assembly to draw gas from a lower portion of the mine; the gas in the lower part of the mine tunnel can be discharged quickly, and the concentration of harmful gas is reduced.
Description
Technical Field
The invention relates to the technical field of coal mine ventilation, in particular to a mine ventilation device and a working method thereof.
Background
The mine safety regulations in China stipulate that: the concentration of carbon monoxide in the air in the mine can not exceed O.024 percent (calculated by volume) and 0.03mg/L (calculated by volume). After blasting, under the condition of continuous operation of the fan, the carbon monoxide concentration is reduced to 0.02%, and then the carbon monoxide enters a working face; the nitrogen oxide compound in the air in the mine cannot exceed O.00025%; the content of the hydrogen sulfide in the air in the mine cannot exceed 0.00066%; the content of sulfur dioxide in the air in the mine cannot exceed 0.0005 percent.
According to different physical properties of the gas, some gas can be distributed on the upper layer of the air, part of the gas can be distributed on the lower layer, and the exhaust fan arranged on the top cannot effectively exhaust the gas on the bottom.
Disclosure of Invention
The invention aims to provide a mine ventilation device for exhausting gas at the bottom of a mine tunnel.
In order to solve the above technical problem, the present invention provides a mine ventilation device, comprising: the ventilation mechanism is used for pumping gas in the mine tunnel into the exhaust duct; the frame mechanism is arranged at the bottom of the inner wall of the mine tunnel, and gas at the bottom of the mine tunnel is extracted through the ventilation mechanism; the frame mechanism comprises a wall body installation component and a frame component; wherein the upper portion of the frame assembly mounts a wall mount assembly to mount the frame mechanism on a wall; the frame assembly is provided with a ventilation mechanism; a ventilation mechanism is mounted to the wall by a frame assembly to draw gas from the lower portion of the mine shaft.
Preferably, the ventilation mechanism includes: the device comprises an exhaust fan, an exhaust fan ventilating frame component, a primary filter screen and a secondary filter component; wherein the secondary filter component is arranged between the ventilating frame component of the exhaust fan and the primary filter screen; the exhaust fan ventilation frame assembly is used for installing the exhaust fan in the exhaust fan ventilation frame assembly, a secondary filter assembly is installed at the inlet of the exhaust fan, and the surface of the secondary filter assembly is suitable for installing a primary filter screen.
Preferably, the ventilating frame assembly of the exhaust fan comprises: a frame and a water tank; the water tank sets up inside the frame framework to in the water tank with drinking water existence frame framework.
Preferably, the secondary filter assembly comprises a plurality of filter plates and a collection bin; the filter plate is obliquely arranged on the surface of the ventilating frame component of the exhaust fan, and the angle between the filter plate and the surface of the ventilating frame component of the exhaust fan is not more than an acute angle;
the collection bin is arranged below the filter plate to collect debris falling from the filter plate.
Preferably, a one-way door is arranged at an outlet of the collecting bin; and opening the one-way door to take away the debris in the collection bin.
Preferably, the exhaust fan comprises fan blades and a motor; the fan blades are installed on the motor and are driven to rotate through the motor so as to discharge gas in the mine.
Preferably, a plurality of negative pressure holes are formed in the surface of the fan blade; when the fan blades rotate at high speed, part of air can pass through the surfaces of the fan blades through the negative pressure holes so as to clean the fan blades.
Preferably, the tail end of the fan blade is provided with a wind cutting tooth; the air at the end of the fan is cut through the air cutting teeth.
Preferably, the wall mounting assembly comprises a perforation nail, a rotating shaft plate and a fixing nail; wherein
One end of the rotating shaft plate is fixedly connected with the frame mechanism through a fixing nail;
the other end of the rotating shaft plate is fixedly connected with the inner wall of the mine tunnel through a perforated nail.
In another aspect, a method of operating a mine ventilation device, comprising: installing the inlet of a ventilation device at the bottom of the inner wall of the mine; installing an outlet of a ventilation device in an exhaust duct; the driving ventilation mechanism pumps the bottom gas on the inner wall of the mine tunnel into the exhaust duct.
The invention has the beneficial effects that the ventilation mechanism is arranged at the bottom of the inner wall of the mine tunnel by the frame mechanism so as to discharge the gas at the bottom, and the gas at the bottom can be efficiently discharged by the bottom arranged on the ventilation mechanism.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the construction of the mine ventilation apparatus of the present invention;
FIG. 2 is a view of the mine ventilation assembly of the present invention in an expanded state;
FIG. 3 is an enlarged partial schematic view of 301 of FIG. 1 of the mine ventilation assembly of the present invention;
FIG. 4 is a schematic view of the ventilation mechanism of the mine ventilation assembly of the present invention;
FIG. 5 is a schematic cross-sectional view of the ventilation mechanism of the mine ventilation assembly of the present invention;
FIG. 6 is a schematic view of the fan blade of the mine ventilation apparatus of the present invention;
in the figure:
1 is a ventilation mechanism, 101 is a fan blade, 1011 is a negative pressure hole, 1012 is a wind cutting tooth, 102 is a frame, 103 is a first-stage filter screen, 104 is a filter plate, 105 is a collection bin, 106 is a one-way door, and 107 is a water tank;
2 is an exhaust duct;
3 is a frame mechanism, 301 is a wall mounting component, 3011 is a perforation nail, 3012 is a rotating shaft plate, 3013 is a fixing nail, 302 is a rotating shaft, 303 is a fixing column, and 304 is a flow guide part.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1 to 6, the present invention provides a mine ventilation apparatus including: the ventilation mechanism 1 is used for pumping gas in the mine tunnel into the exhaust duct 2 by the ventilation mechanism 1; the frame mechanism 3 is arranged at the bottom of the inner wall of the mine tunnel, and gas at the bottom of the mine tunnel is extracted through the ventilation mechanism 1; the frame mechanism 3 comprises a wall mounting assembly 301 and a frame 102; wherein the upper portion of the frame 102 mounts the wall mount assembly 301 for mounting the frame mechanism 3 on a wall; the frame 102 is provided with a ventilation mechanism 1; the ventilation mechanism 1 is mounted on the wall by a frame 102 to draw gas from the lower part of the mine shaft.
In the embodiment, the invention is applied to a mine hole, and generally, the converter fan is arranged at the top to achieve the effect of circulating air, but is not beneficial to maintenance and needs a long time to reduce the gas content in the mine hole to the standard value; according to the invention, the ventilation mechanism 1 is arranged at the bottom of the mine hole, after partial gas naturally settles, the gas at the bottom is directly discharged through the ventilation mechanism 1, so that the time for the gas content in the mine hole to fall to a standard value can be shortened, and meanwhile, the ventilation mechanism 1 is arranged at the bottom for convenient maintenance.
In this embodiment, the exhaust duct 2 is pre-embedded in the inner wall of the mine hole in advance; the exhaust duct 2 is pre-embedded to directionally transmit gas in the mine tunnel, so that the gas is subjected to shunting treatment, and the gas in the mine tunnel is prevented from leaking to cause secondary damage; meanwhile, the pre-buried exhaust duct 2 can continuously exhaust gas in a mine hole when a disaster happens, and a conventional converter fan arranged at the top can be collapsed and pressed when the disaster happens, so that the gas cannot be continuously exhausted.
In the present embodiment, the ventilation mechanism 1 includes: the device comprises an exhaust fan, an exhaust fan ventilating frame component, a primary filter screen 103 and a secondary filter component; wherein the secondary filter component is arranged between the ventilating frame component of the exhaust fan and the primary filter screen 103; exhaust fan ventilation frame subassembly is installed the exhaust fan in exhaust fan ventilation frame subassembly, and installs the second grade filter assembly in the entrance of exhaust fan, the surface of second grade filter assembly is suitable for installation one-level filter screen 103.
In this embodiment, a secondary filter assembly and a primary filter screen 103 are sequentially disposed on the surface of the exhaust fan; the primary filter screen 103 is used for rough filtering and is used for filtering sand in the gas; the secondary filter assembly is a fine filter. Used for filtering fine crushed stone particles.
In this embodiment, the primary filter screen 103 is woven by elastic material, and the sand and stone will be flicked when hitting the primary filter screen 103; when the sand and stone are clamped in the meshes of the primary filter screen 103, after other sand and stone impact the primary filter screen 103, the elastic potential energy can bounce the clamped sand and stone to the ground or the secondary filter component; the primary filter screen 103 prevents large sand particles from entering the exhaust fan and damaging the exhaust fan.
In this embodiment, the ventilating frame assembly of the exhaust fan includes: frame 102 and water tank 107; the water tank 107 is disposed within the frame 102 housing to provide potable water within the water tank 107 within the frame 102 housing.
In this embodiment, the frame body of the frame 102 is provided with a plurality of reinforcing ribs, and the reinforcing ribs ensure the strength of the frame body of the frame 102, so as to effectively protect the water tank 107 in the frame body of the frame 102; the tank 107 is adapted to store potable water and to assist the operator in life in the event of an accident.
In this embodiment, two sides of the lower portion of the frame 102 are both provided with a rotating shaft 302, and are respectively connected to a fixing column 303 through the rotating shaft 302; the fixed column 303 is suitable for rotating counterclockwise along the direction F by taking the rotating shaft 302 as an axis and then forming a 90-degree angle with a wall body, so that a refuge place is formed by a mine ventilation device; the operator can be protected in case of disaster.
In this embodiment, the frame 102 is provided at an upper portion thereof with a guide portion 304 to guide the discharged air into the exhaust duct 2.
In this embodiment, the secondary filter assembly comprises a plurality of filter panels 104 and a collection bin 105; the filter plate 104 is obliquely arranged on the surface of the ventilating frame component of the exhaust fan, and the angle between the filter plate and the surface of the ventilating frame component of the exhaust fan is not more than an acute angle; the collection bin 105 is disposed below the filter plate 104 to collect debris falling from the filter plate 104.
In this embodiment, the filter 104 slope sets up on exhaust fan ventilation frame subassembly surface, and the contained angle is the acute angle, and when the grit struck to the filter 104, because the slope sets up the grit and can the landing to collect the storehouse 105 downwards, prevents that the grit from getting into the exhaust fan to damage the exhaust fan.
In this embodiment, a one-way door 106 is provided at the outlet of the collecting bin 105; debris in the collection bin 105 is removed by opening the one-way door 106.
In this embodiment, the one-way door 106 can only be opened clockwise; the sand in the collection bin 105 can be taken out through the one-way door 106 which is opened in one direction; if a bidirectional door is adopted, gravels can be shaken out to cause secondary damage when a disaster occurs.
In this embodiment, the exhaust fan includes fan blades 101 and a motor; the fan blade 101 is installed on the motor, and the fan blade 101 is driven by the motor to rotate so as to exhaust gas in the mine tunnel.
In this embodiment, the motor is adapted to adopt a stepping motor, and the rotation speed is controlled by the stepping motor.
In this embodiment, the surface of the fan blade 101 is provided with a plurality of negative pressure holes 1011; when the fan blade 101 rotates at a high speed, part of the air passes through the surface of the fan blade 101 through the negative pressure hole 1011 to clean the fan blade 101.
In this embodiment, according to the fluid pressure, the faster the flow rate, the smaller the pressure, the negative pressure hole 1011 is opened on the surface of the fan blade 101, the flow rate of the gas in the hole is much smaller than the flow rate of the gas on the surface of the fan blade 101, and a part of the gas will impact the negative pressure hole 1011 along the surface of the fan blade 101, so as to clean the surface of the fan blade 101.
In this embodiment, the end of the fan blade 101 is provided with a wind cutting tooth 1012; the air at the end of the fan is cut by the wind cutting teeth 1012.
In this embodiment, when the fan blade 101 is designed, the fan rotating at a high speed with a large surface area of the end of the fan blade 101 is severely rubbed with air to generate noise, and the noise generated when the fan blade 101 rotates at a high speed is reduced by cutting the end of the fan blade 101 into separate small areas through the wind cutting teeth 1012.
In this embodiment, the wall mounting assembly includes piercing pins 3011, pivot plate 3012, and securing pins 3013; one end of the rotating shaft plate 3012 is fixedly connected with the frame mechanism 3 through a fixing nail 3013; the other end of the rotating shaft plate 3012 is fixedly connected with the inner wall of the mine shaft through a perforation nail 3011.
Example 2
On the basis of embodiment 1, the present embodiment further provides a working method of the mine ventilation device, including: installing the inlet of a ventilation device at the bottom of the inner wall of the mine; the outlet of the ventilation device is arranged in the exhaust duct 2; the driving ventilation mechanism 1 pumps the bottom gas of the inner wall of the mine tunnel into the exhaust duct 2.
In summary, the ventilation mechanism 1 is arranged at the bottom of the inner wall of the mine tunnel through the frame mechanism 3, so that the exhaust fan is arranged at the bottom of the mine tunnel to exhaust gas at the bottom, and the bottom of the ventilation mechanism 1 can efficiently exhaust gas at the bottom.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A mine ventilation device, comprising:
the ventilation mechanism is used for pumping gas in the mine tunnel into the exhaust duct;
the frame mechanism is arranged at the bottom of the inner wall of the mine tunnel, and gas at the bottom of the mine tunnel is extracted through the ventilation mechanism;
the frame mechanism comprises a wall body installation component and a frame component; wherein
The upper part of the frame component is provided with a wall body installation component so as to install the frame mechanism on a wall;
the frame assembly is provided with a ventilation mechanism;
a ventilation mechanism is mounted to the wall by a frame assembly to draw gas from the lower portion of the mine shaft.
2. The mine ventilation device of claim 1,
the ventilation mechanism includes: the device comprises an exhaust fan, an exhaust fan ventilating frame component, a primary filter screen and a secondary filter component; wherein
The secondary filter component is arranged between the ventilating frame component of the exhaust fan and the primary filter screen;
the exhaust fan ventilation frame assembly is used for installing the exhaust fan in the exhaust fan ventilation frame assembly, a secondary filter assembly is installed at the inlet of the exhaust fan, and the surface of the secondary filter assembly is suitable for installing a primary filter screen.
3. The mine ventilation device of claim 2,
exhaust fan ventilation frame subassembly includes: a frame and a water tank;
the water tank sets up inside the frame framework to in the water tank with drinking water existence frame framework.
4. The mine ventilation device of claim 2,
the secondary filtering component comprises a plurality of filtering plates and a collecting bin; wherein
The filter plate is obliquely arranged on the surface of the ventilating frame component of the exhaust fan, and the angle between the filter plate and the surface of the ventilating frame component of the exhaust fan is not more than an acute angle;
the collection bin is arranged below the filter plate to collect coal dust falling from the filter plate.
5. The mine ventilation device of claim 4,
the coal dust collecting device is characterized in that a one-way door is arranged at an outlet of the collecting bin, and the coal dust in the collecting bin is taken away by opening the one-way door.
6. The mine ventilation device of claim 2,
the exhaust fan comprises fan blades and a motor;
the fan blades are installed on the motor and are driven to rotate through the motor so as to discharge gas in the mine.
7. The mine ventilation device of claim 6,
the surface of the fan blade is provided with a plurality of negative pressure holes, and when the fan blade rotates at a high speed, part of gas can pass through the negative pressure holes from the surface of the fan blade so as to clean the fan blade.
8. The mine ventilation device of claim 6,
the tail end of the fan blade is provided with air cutting teeth, and air at the tail end of the fan is cut through the air cutting teeth.
9. The mine ventilation device of claim 1,
the wall body mounting assembly comprises a perforation nail, a rotating shaft plate and a fixing nail; wherein
One end of the rotating shaft plate is fixedly connected with the frame mechanism through a fixing nail;
the other end of the rotating shaft plate is fixedly connected with the inner wall of the mine tunnel through a perforated nail.
10. A method of operating a mine ventilation device, comprising:
installing the inlet of a ventilation device at the bottom of the inner wall of the mine;
installing an outlet of a ventilation device in an exhaust duct;
the driving ventilation mechanism pumps the bottom gas on the inner wall of the mine tunnel into the exhaust duct.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201911390096.6A CN111022100A (en) | 2019-12-30 | 2019-12-30 | Mine ventilation device and working method thereof |
Applications Claiming Priority (1)
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CN201911390096.6A CN111022100A (en) | 2019-12-30 | 2019-12-30 | Mine ventilation device and working method thereof |
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CN111022100A true CN111022100A (en) | 2020-04-17 |
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CN201911390096.6A Pending CN111022100A (en) | 2019-12-30 | 2019-12-30 | Mine ventilation device and working method thereof |
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Citations (13)
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US4200036A (en) * | 1978-11-07 | 1980-04-29 | The United States Of America As Represented By The Secretary Of The Interior | Ventilation system for automated mining machines |
CN204563797U (en) * | 2015-04-03 | 2015-08-19 | 苏州勤美达精密机械有限公司 | A kind of air filter |
CN204851687U (en) * | 2015-06-08 | 2015-12-09 | 常山卫邦风机有限公司 | To rotating circulation fan |
CN105194966A (en) * | 2015-11-03 | 2015-12-30 | 华北理工大学 | Mining water-jet explosion-proof dust removing device |
CN205559320U (en) * | 2016-03-16 | 2016-09-07 | 孙剑云 | Novel ventilate device |
CN107313979A (en) * | 2017-08-31 | 2017-11-03 | 广东美的制冷设备有限公司 | Axial-flow windwheel and the air conditioner with it |
CN207131634U (en) * | 2017-08-08 | 2018-03-23 | 联想(北京)有限公司 | Fan blade, fan and electronic equipment |
CN108222997A (en) * | 2018-01-24 | 2018-06-29 | 郴州八方农林科技有限公司 | Mine laneway ventilation device |
CN208040432U (en) * | 2018-04-05 | 2018-11-02 | 候灿 | Coal mine safety ventilation ventilation explosion-protection equipment |
CN108895037A (en) * | 2018-07-19 | 2018-11-27 | 陈振惠 | A kind of New Coal Mine ventilation equipment |
CN208950621U (en) * | 2018-08-20 | 2019-06-07 | 安徽省皖北煤电集团有限责任公司 | A kind of mining ventilation device easy to remove |
CN209163853U (en) * | 2018-09-02 | 2019-07-26 | 黄继品 | A kind of underground coal mine ventilation device |
CN211314263U (en) * | 2019-12-30 | 2020-08-21 | 安徽理工大学 | Mine ventilation device |
-
2019
- 2019-12-30 CN CN201911390096.6A patent/CN111022100A/en active Pending
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4200036A (en) * | 1978-11-07 | 1980-04-29 | The United States Of America As Represented By The Secretary Of The Interior | Ventilation system for automated mining machines |
CN204563797U (en) * | 2015-04-03 | 2015-08-19 | 苏州勤美达精密机械有限公司 | A kind of air filter |
CN204851687U (en) * | 2015-06-08 | 2015-12-09 | 常山卫邦风机有限公司 | To rotating circulation fan |
CN105194966A (en) * | 2015-11-03 | 2015-12-30 | 华北理工大学 | Mining water-jet explosion-proof dust removing device |
CN205559320U (en) * | 2016-03-16 | 2016-09-07 | 孙剑云 | Novel ventilate device |
CN207131634U (en) * | 2017-08-08 | 2018-03-23 | 联想(北京)有限公司 | Fan blade, fan and electronic equipment |
CN107313979A (en) * | 2017-08-31 | 2017-11-03 | 广东美的制冷设备有限公司 | Axial-flow windwheel and the air conditioner with it |
CN108222997A (en) * | 2018-01-24 | 2018-06-29 | 郴州八方农林科技有限公司 | Mine laneway ventilation device |
CN208040432U (en) * | 2018-04-05 | 2018-11-02 | 候灿 | Coal mine safety ventilation ventilation explosion-protection equipment |
CN108895037A (en) * | 2018-07-19 | 2018-11-27 | 陈振惠 | A kind of New Coal Mine ventilation equipment |
CN208950621U (en) * | 2018-08-20 | 2019-06-07 | 安徽省皖北煤电集团有限责任公司 | A kind of mining ventilation device easy to remove |
CN209163853U (en) * | 2018-09-02 | 2019-07-26 | 黄继品 | A kind of underground coal mine ventilation device |
CN211314263U (en) * | 2019-12-30 | 2020-08-21 | 安徽理工大学 | Mine ventilation device |
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